How can I understand these sentences?
This excerpt is from a magazine called 'SCIENTIFIC AMERIAN':
"Out cover story, then, brings you the tale of just such a big idea, which aims to reach a nearby star using something very small. A lot of millimeter-seize things, actually. In 'Near-Light-Speed Mission to Alpha Centauri,' journalist Ann Finkbeiner relates how the Breakthrough Starshot mission plans to journey to Alpha Centauri, about four light-years away. It would use 'StarChips' on light sails propelled by laser light. It would use similar to those in smartphones, they would take pictures and make other readings during a brief flyby. The plan is risky, expensive--and it may not work. But it's an exciting idea to tackle the hard problem, and I hope you enjoy learning about it as much as I did. Turn to page 22."
I think there shouldn't be a comma after "a big idea," since which phrase after it is restricted use.
Am I wrong thinking in this ways?
And I'm wondering the meanings of "It would use 'StarChips' on light sails propelled by laser light."
Does this the parallel to that?
"'StarChips' is on the sales which are propelled by laser light"
Cold you tell me, please?
Top answer
Takehisa Tanaka I think there shouldn't be a comma after "a big idea," since which phrase after it is restricted use. The comma is fine. The clause is descriptive.
- Takehisa Tanaka I think there shouldn't be a comma after "a big idea," since which phrase after it is restricted use.
- The comma is fine.
- The clause is descriptive.
- " The pressure of laser light, beamed from the surface of Earth, hits ultrafine sheets called "light sails" attached to tiny spacecraft called StarChips and propels the craft into interstellar space.
- The StarChips beam messages back to earth.
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Takehisa TanakaI think there shouldn't be a comma after "a big idea," since which phrase after it is restricted use.
The comma is fine. The clause is descriptive.
Takehisa TanakaAnd I'm wondering the meanings of "It would use 'StarChips' on light sails propelled by laser light."
The pressure of laser light, beamed
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